What is the deal with expensive HiFi racks?

[Sokel]

Ok:



Normal,left in peace


Normal,tapping on it



Normal,tapping next to it


On nuts,tapping on it



On nuts,tapping next it


Bonus,on upside-down spikes,tapping next to it.


Pattern changes but the effect is there as it seems.

Edit: spikes added

 

[Roland68]

Very interesting, thanks for that.

Can you please make another normal, left in peace with nuts?

 

[Sokel]

Very interesting, thanks for that.

Can you please make another normal, left in peace with nuts?

Yes:


nuts in peace

 

[Roland68]

Yes:

View attachment 417406
nuts in peace

Thank you